////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////

#ifndef TIMERWIN32_H
#define TIMERWIN32_H

////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include "Base.h" // pur les macros de platform

#include "LibrarySystemExport.h"
#include <vector>

#if defined(PLATFORM_WINDOWS)

#include <windows.h>

#else

#include <sys/time.h

#endif

namespace CasaEngine
{

////////////////////////////////////////////////////////////
/// Win32 implementation of Platform.
/// Gives access to various global system functions
////////////////////////////////////////////////////////////
class LIBRARY_SYSTEM_EXPORT Timer
{
	public:
		Timer();                                    // default constructor
		~Timer();                                   // default destructor

		void   start();                             // start timer
		void   stop();                              // stop the timer
		double getElapsedTime();                    // get elapsed time in second
		double getElapsedTimeInSec();               // get elapsed time in second (same as getElapsedTime)
		double getElapsedTimeInMilliSec();          // get elapsed time in milli-second
		double getElapsedTimeInMicroSec();          // get elapsed time in micro-second

	protected:

	private:
		double startTimeInMicroSec;                 // starting time in micro-second
		double endTimeInMicroSec;                   // ending time in micro-second
		int    stopped;                             // stop flag 

	#ifdef PLATFORM_WINDOWS

		LARGE_INTEGER frequency;                    // ticks per second
		LARGE_INTEGER startCount;                   //
		LARGE_INTEGER endCount;                     //

	#else

		timeval startCount;                         //
		timeval endCount;                           //

	#endif
};

} // namespace CasaEngine


#endif // TIMERWIN32_H
